142637673 has 8 divisors (see below), whose sum is σ = 190371808. Its totient is φ = 94997664.

The previous prime is 142637669. The next prime is 142637683. The reversal of 142637673 is 376736241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142637673 - 2² = 142637669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142637623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19915 + ... + 26112.

It is an arithmetic number, because the mean of its divisors is an integer number (23796476).

Almost surely, 2^142637673 is an apocalyptic number.

It is an amenable number.

142637673 is a deficient number, since it is larger than the sum of its proper divisors (47734135).

142637673 is a wasteful number, since it uses less digits than its factorization.

142637673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47063.

The product of its digits is 127008, while the sum is 39.

The square root of 142637673 is about 11943.1014816085. The cubic root of 142637673 is about 522.4901189343.

The spelling of 142637673 in words is "one hundred forty-two million, six hundred thirty-seven thousand, six hundred seventy-three".